I know that I'm a fool for trying to get this working under windows but I'm obliged. Note I have R 2.6.1 and the latest cygwin. I'm running winxp sp2. 1) If I issue: R CMD INSTALL RSPerl_0.92-1.tar.gz, it fails as such ---------- Making package RSPerl ------------ ********************************************** WARNING: this package has a configure script It probably needs manual configuration ********************************************** adding build stamp to DESCRIPTION Loading required package: graphics Loading required package: stats Loading required package: methods Loading required package: DBI installing NAMESPACE file and metadata Loading required package: graphics Loading required package: stats Loading required package: methods Loading required package: DBI making DLL ... Loading required package: graphics Loading required package: stats Loading required package: methods Loading required package: DBI make[3]: *** No rule to make target `version'. Stop. make[2]: *** [srcDynlib] Error 2 make[1]: *** [all] Error 2 make: *** [pkg-RSPerl] Error 2 *** Installation of RSPerl failed *** 2) If I try using the with-in-perl arg install complains that --configure-args is not a valid arg. My understanding is that it isn't valid in windows R but I don't know what to do about it. R CMD INSTALL --configure-args='--with-in-perl' RSPerl_0.92-1.tar.gz --configure-args='--with-in-perl' RSPerl_0.92-1.tar.gz Unknown option: configure-args Usage: R CMD INSTALL [options] pkgs -- View this message in context: http://www.nabble.com/Can%27t-install-RSPERL-under-windows-tp14444277p14444277.html Sent from the R help mailing list archive at Nabble.com.